Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

DAVID A MERRILL

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI
1902923410
CMS profile
930000
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$2,122.15

  • Reported across 96 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$357.57

13 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $357.57 13

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
CSL Behring $104.73 3
ACADIA Pharmaceuticals Inc $86.00 3
Lilly USA, LLC $61.76 3
ARGENX US, INC. $55.97 2
MDD US Operations, LLC $49.11 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $235.83 14
PY2019 $446.52 25
PY2020 $103.71 5
PY2021 $160.30 7
PY2022 $141.48 7
PY2023 $676.74 25
PY2024 $357.57 13

Payment records · PY2024 (13)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ACADIA Pharmaceuticals Inc $29.81 05/09/2024 Food and Beverage Undisputed 01/23/2026 1147984338 CMS
ACADIA Pharmaceuticals Inc $29.65 08/22/2024 Food and Beverage Undisputed 01/23/2026 1147984340 CMS
ACADIA Pharmaceuticals Inc $26.54 11/04/2024 Food and Beverage Undisputed 01/23/2026 1147984342 CMS
ARGENX US, INC. $31.07 09/17/2024 Food and Beverage Undisputed 01/23/2026 1142123245 CMS
ARGENX US, INC. $24.90 10/30/2024 Food and Beverage Undisputed 01/23/2026 1142118183 CMS
CSL Behring $28.56 03/26/2024 Food and Beverage Undisputed 01/23/2026 1134664915 CMS
CSL Behring $36.13 10/21/2024 Food and Beverage Undisputed 01/23/2026 1134664955 CMS
CSL Behring $40.04 12/12/2024 Food and Beverage Undisputed 01/23/2026 1134664969 CMS
Lilly USA, LLC $15.09 05/21/2024 Food and Beverage Undisputed 01/23/2026 1136149462 CMS
Lilly USA, LLC $22.15 09/24/2024 Food and Beverage Undisputed 01/23/2026 1136142253 CMS
Lilly USA, LLC $24.52 11/21/2024 Food and Beverage Undisputed 01/23/2026 1136152894 CMS
MDD US Operations, LLC $24.49 04/04/2024 Food and Beverage Undisputed 01/23/2026 1147752032 CMS
MDD US Operations, LLC $24.62 09/10/2024 Food and Beverage Undisputed 01/23/2026 1147752034 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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